# SDR IPXA2016062204929

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2016
- Submitted: June 24, 2016
- Operation: Air carrier
- Aircraft: [N291UP](https://openairdocs.org/aircraft/N291UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48477
- Aircraft time: 67,530 hours, 10,188 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2016062204929

## Discrepancy

EMERGENCY LIGHT BATTERY 1 LOW ALERT ON PREFLIGHT.  DEFERRED EMERGENCY LIGHTING SYSTEM IAW MEL 33-50-4.  R&R EMERGENCY LIGHT BATTERY POWER SUPPLY MM 33-51-01-00-802 AND 33-51-01-400-802.  OPS TEST SATIS MM 33-51-01-700-802.

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